Coach lock



Jan. 9, 1940- AC. ANDERSEN COACH LOCK 2 Sheets-Sheefl Filed July 28,v 1938 INVENTOR.

Jam ,A. c. ANDERS'EN 2,186,0

, INVENTOR. flndrew (brawn 4/746/1660 ATTORNEYS Patented Jan. 9, 1 w 1 2 1 05 I UNITE-l) p- TENT F =1 f alsaosa COACH Andrew Christian Andersen, Detroit, Mich, as-

sign'or to Ternstedt Manufacturing-Company, 'Detroit, Mich, a corporation of Michigan Application July 28, 1938, Serial No. 221,699

'1 Claims. (01. 292-164) This invention relates to an automobilejdoor handle or the striker to retract the bolt without lock. The object is to provide a lock in which operating on the link and insidehandle. the outside handle can be used toretract the bolt The purpose of the spring 14 operating on by less effort thanis required with the inside lever B is to return the outside handle to its 6 handle or is required to retract the bolt as it customary'position. The spring It returns the g climbs the striker. v x g i toggle arms to the near straight line position' This arrangement is worked .out on the prinshown in Figs. 1 and 4 as soon as the retractor ciple of breaking a toggle, which is not broadly {ceases to presson the push bar The spring new, for this principle has been used in con- I4 returns the lever arm '5 and the pushfbar ,6 j nection with cabinet or refrigerator latches and to its initial position. Stop engages with the 3.5,? which have only one handle on the outside. --t, 8gle arm to hold the arms in their near But, so far as I know, the principlehasnever straightlline position The sum of the effort'oi been applied to a coach lock nor worked outwith springs l4 and I! lsless than the eflort of the I a lock thathas an outside handle and an inside safety pin type of spring l6. When the boltis handle. Inthe drawings: 1 1 draft link 2 or by means of riding 'overthe" Figs. 1, 2, 3 and 4 are elevations'oi a lock'with striker, the two toggle arms lap. each'o then as the cover plate removed and with the operating shown in'Flg. '3, byreason or the pin and slot" parts in different positions. connection}! and 22. Toggle arm lfis pivoted U Referring to Fig. 1: l is the slidingbolt and directly tothe bolt by pivot 24. The arms of 90 2 the inside retracting link. 3 is the outside rollspring ll are'hooked over the two pivots II and I back which bears on the abutment l on lever-5 24 and, consequently, when the toggle shortens to which is pivoted the bar 8 that has lug I by overlapping, these two arms are drawn toslldable in slot 8 in the lever 9. This lever may gether, as shown in Fig. 3, against their natural be depressed, as shown in Fig. 4, either by the bent. When the retracting eflort ls withdrawn, 25

use of a key or by operating the push link l0. the arms expand out again, as shown in Figs. 1

When depressed, it carries down the push bar 6 and 4, and shoot the bolt outwardly.

so that the outside handle is disconnected from I claim: I

the latch bolt as shown in Fig. 4. This much 1. In a coach 1001:, a casing, a latch bolt slidoi the construction is old and is shown and able in the casing, an inside handle having a 80 I claimed in the Andersen and Bowlus Patent operating connection with said ,bolt, a pair of 2,039,873. However, in the Andersen and Bowtoggle arms having a pin and slot connection at lus patent, the push bar operates directly on a the knee of the toggle, one arm fixediy pivoted lug which is part of the sliding bolt. Here, the to the latch casing, the other pivoted to the latch push bar 6 operates on a lug II on toggle arm bolt, a spring tending to resist the toggle arms 35 I! which is connected with toggle arm l3. when sliding into overlappedv relation by direct rethe p 5 is p s ed backwardly by th P- traction of the latch bolt, a second spring and eratlon oi the outside rollbac as shown in stop tending to keep the toggle arms in a straight 82 it breaks t e 82 dflwnwardly t0 the 4 line position but slightly over center and an outposition shown in Fig. 2. Torsi n prings H and side handle and operating connections. arranged 55, whi h can be comparatively l t sh es, to break the toggle and thereby shorten it and re- 7 sist the breaking oi the toggle andthe movement tra t, the bolt, of the outside rollback. But, when the striker 2 a coach lock, acaslng m t n V or the inside handle thr u h link, 2 ca h able in thecasing, an inside handle having an as retraction oi the bolt, these before-mentioned ti g cgnnection t said b t, pair of 1 8 have willing to do with resisting the toggle arms havinga pin and slot connection at traction but the avy safetypin p of Spring the knee of the toggle, onearm fixedly pivoted 38 has s arms Pressed 2 as Shown to the latch casing, the other pivoted to the latch Fig. 3. In Fig. 3, the bolt has been retracte bolt, a spring tending to resist the toggle arms 5% by the inside handle (not shown) op r sliding into overlapped relation by direct retracso draft link 2. Toggle arm I! swings on Divot l7 tion of the latch bolt, 9. second spring and stop which is fastened to the lug portion 18 of the tending to keep the toggle arms in a straight latch casing. Latch belt I has a slot I! which line position but slightly over center and an outpermits the bolt to slide past the fixed pivot 11. side handle and operating connections arranged 6 Link 2 has a slot 26 which permits the outside. to break the toggle and thereby shorten it and u retracted either directly by the inside handlelfi sliding into overlapped rl ationiby direct'retrace tion of the latch bolt,'.asecondspring"v t'in;

biasedjlevrj-cooperating wit n in'fthisbreakingaction, the springfactin'g upon spring t nd t f esi tth s saem 2 153 85" relationsby direct 'retractior'i of" into overlapped the latch bolt, a second spring and stop tending to keep the toggle arms in a straight line position but slightly over center and an outstide handle and operating'connections arranged to break the first mentioned spring, and a biased lever cooperating with the outside haruileinthis action.-

4. In a coach look, a casing, a latch bolt-"slidab'le in the casin J insidehandle havingv operating connections Iwit'li 'said bolt, a ot to'gg'le, connectio at the v of spring and stopte'nding toresist'thfeY KQ a p h toggle arm h is t i h I. but slightly overcentenan outside'handl and, k I i v breaklng the. to gle fat, fthejknee,

operating connections arrangedto break" the gle and .therebyfshortenjit and anaemia said second spring being somewhat weaker than. the first me tioned, sprin and, a

thetoggIe' plnslthe spring 'act'ingflon' the said leve exerting an eil'orti'less'than the spring resisting the toggle. armssiidmg nto overlapped' relation aiaaoaa the latch bolt when the toggle is broken, a spring resisting the breaking of the toggle, an inside handle drait'link directly connected to the latch bolt and a spring resisting the retraction of the latch bolt by the inside handle draft link or by the bolt head climbing the striker, said spring exercising greater eflort than the spring resisting :the breaking ot thegtogglegand outside handle having connections for breaking the toggle against the resistance of such lighter spring. .7 In a coach lock, a casing, a latch bolt slidable -;armsiv forin a' toggle that can be broken at the knee abysw'ingingsaction and which can have at the knee a sliding o'verlapping action, means for retracting theibolt directly, the toggle arms over- "lapping, may type of spring resisting the arms sliding" in overlapping position and means for, retractingthe bolt by breaking the toggle, at theta-goes: r I

I in the, casing, a pair oi toggle arms, one pivoted to the "latohbolt and one to the casing, which toggle and thereby shorten it and retract thebolt, said second spring being somewhat 'wea ker' than i7, a; coachlock, sfcssing;aima bolt slid oted' to the latch poiti andjbneiito the casing,

"annexing a' sliding overlapping action, means overlapping, ;means ror retracting the by the bolt by breaking the toggle thanbyretractingthe bolt by an efiort on the bolt, "which is re:-

whicharlns form a toggle that canbe' broken'atf theknee by swinginguaction andwhich can have lative1yj. sprin'gtending', tojjresistftheoverlapping 0t iorjretractingthe 'bolt directlygthe' toggle "arms" ts fa m's" n j byj i ct he o ti ndJj a ,li terl splring resisting the breaking of [the 

